HYDERABAD: The global urban population is estimated to be 6.3 billion by 2050, nearly doubling the 3.5 billion urban dwellers worldwide in 2010, posing a challenge in management of biodiversity, says a report by Convention on Biological Diversity here.
The total urban area is expected to triple between 2000 and 2030, while urban population is expected to nearly double, increasing from 2.84 bil